33056139169 has 2 divisors, whose sum is σ = 33056139170. Its totient is φ = 33056139168.

The previous prime is 33056139163. The next prime is 33056139173. The reversal of 33056139169 is 96193165033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16554167569 + 16501971600 = 128663^2 + 128460^2 .

It is a cyclic number.

It is not a de Polignac number, because 33056139169 - 2⁷ = 33056139041 is a prime.

It is a super-2 number, since 2×33056139169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33056139163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16528069584 + 16528069585.

It is an arithmetic number, because the mean of its divisors is an integer number (16528069585).

Almost surely, 2^33056139169 is an apocalyptic number.

It is an amenable number.

33056139169 is a deficient number, since it is larger than the sum of its proper divisors (1).

33056139169 is an equidigital number, since it uses as much as digits as its factorization.

33056139169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393660, while the sum is 46.

It can be divided in two parts, 33056 and 139169, that added together give a square (172225 = 415²).

The spelling of 33056139169 in words is "thirty-three billion, fifty-six million, one hundred thirty-nine thousand, one hundred sixty-nine".